Evaluation of primary growth traits, biochemical changes and accumulation of (F) content in different varieties of maize (Zea mays L.) grown in fluoride-contaminated soils

文献类型： 外文期刊

第一作者： Dad, Khaliq

作者： Dad, Khaliq;Zhao, Fenliang;Fatima, Sajjal;Nasir, Barha;Usman, Maliha;Umar, Maha;Naseer, Uzma;Iftakhar, Summiya;Nawab, Momal;Khan, Manahil Nadeem;Khan, Wali;Hassan, Muhammad;Yamin, Farrukh;Ali, Fatima;Fatima, Iqra;Asad, Fakhra;Dur-e-Zahra, Syeda;Nawaz, Muhammad

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关键词： Maize; Fluoride; Germination; Growth; Biochemical; F accumulation

期刊名称：BIOSCIENCE RESEARCH

ISSN： 1811-9506

年卷期： 2023 年 20 卷 2 期

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收录情况： SCI

摘要： This study was carried out to examine the effect of fluoride stress on different varieties of maize crops being cultivated in Pakistan during 2022. The experiment was conducted in plastic pots by treating with foliar applications of fluoride from the germination stage to the growth primordial traits of plants. Crop sensitivity towards fluoride toxicity was tested through the germination of seeds, growth as well as biochemical activities of plants and further translocation capacity of (F) ion in aerial parts of plants. The results showed that there was a significant difference in responses towards increasing the concentration of fluoride. Sodium fluoride was used as a source of fluoride @ 1mM, 2mM, 3mM, 4mM, and 5mM compared with the control, receiving no fluoride. All the verities of maize showed adverse results at 1mM while this was increased with increasing the concentration of fluoride and maximum effect was noted at 5mM of NaF. 90% germination was observed at 1mM in SD626 only 9% in DK 7024 as compared to that of control at P<0.05. Similarly, 0.70 mu g protein was examined in SD626 at 1mM while 0.07 mu g in SD626 at 5mM of NaF. The order of F contents accumulation was root > shoot and no trances were found in control while at 1mM, F contents were 0.37 mu g, 0.18 mu g in roots and shoots respectively. Similarly higher accumulation of 1.92 mu g and 0.74 mu g of F was observed in roots & shoots respectively at 5mM of NaF at P<0.05. Results concluded the increasingly adverse effects of F with the increase of its concentrations.

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